Lap-forming apparatus



Filed June 23, 1934 2 Sheets-Sheet 1 Flip/r16) Jules ywwmlwfk Oct. 27, 1936.

J. WEINBRENNER 2,058,848

LAP FORMING APPARATUS Filed June 23, 1954 2 Sheets-Sheet 2 Pile/v16: y

Patented Get. 27, 1936 UNlTED STATES PATENT QFFIQE Application June 23, 1934, Serial No. 732,137 In Germany June 28, 1933 1 Claim.

640,232 filed Oct. 29, 1932 has been described an automatically working device for preparing lap rollers in winding machines or the like.

It has been observed that the lap rollers prepared by such machines have not always the absolutely exact size required, and the object of the present invention is a device applicable to the machine described in said specification and by means of which lap rollers may be automatically prepared which present exactly the required size, as well with respect to length as to weight.

The essential characteristic of the new device consists therein that the production of the machine is controlled by means of a counter and that said counter mechanism suddenly unclutches the feeding machine at the moment when the lap roller has reached its predetermined size, whereas simultaneously the device for expelling said lap roller is thrown in.

The invention has been illustrated in the accompanying drawings, in five figures.

Figs. 1 and 2 illustrate, in front and side elevations, a fleece deflecting and assembling machine.

Fig. 3 shows the transmission mechanism between the counter and the stopping shaft.

Fig. 4 is a plan view of the mechanism illustrated in Fig. 3.

Fig. 5 illustrates the cam-disc device effecting the clutching and disconnecting.

The slivers assembled to a fleece within the stretching frames 1 and 8 are guided over the deflecting sheets 9 and It. The slivers are assembled between the pairs of calender rollers ll and I8 and wound upon the lap roller tube M. The length and width of the lap or wound fleece are determined by a counter E9, the movement of which is transmitted by a constantly rotating shaft 88, Figs. 1 and 3, and by means of the worm-gear 8i and the toothed wheels 32 and 83, to the shaft 84'. The toothed wheel 82 is a change speed pinion. The toothed wheel 33 is loose upon the shaft 84. The latter is driven by means of the abutment 85 projecting from the toothed wheel 83, said abutment being acted upon by the lever 86 fixed upon the shaft 84.

At the end of the shaft 84 is provided a camdisc Bl, against which is pressed a roller 85, mounted upon the lever 83, under the action of a spring 90 (Fig. 5). When the roller 89 has reached the ridge a of the cam-disc 81, the latter is suddenly rotated with a pull under the pressure of the roller 89 and over an angle of about 90. By this sudden rotation is performed In the U. S. patent application Serial No.

an immediate stopping of the machine by transmission of the movement of the shaft 84, by means of the transmission gear 9!, upon the disc 92, which is mounted upon a bracket 93 fixed to the machine frame. The catch 9 of this disc acts against the roller 95 of the lever 86, which is thus caused to swing about its center of rotation 96 and actuates the coupling 61, so as to interrupt the delivery of the fleece, i. e. the driving of the stretching frames.

Simultaneously with the stopping of the feeding of the fleece, the device for expelling the lap roller is thrown in by means of the same shaft 84. At the other end of the shaft 3 3 is provided the lever I93, which, during the movement of the shaft 84, acts against the lever 53, and the rotation of the latter about its center ltd, throws in the coupling 5 To the coupling 54 is connected the toothed wheel I06, for the purpose of driving the rack bar 3 as well as the pinion N35 for driving the winding rollers I l. Normally, the driving of the winding rollers M is performed by the pulley 91, the shaft i ill and the transmission gears ill, 2,1!3, H4, H5, H6, H1, and H8. The pairs of rollers ll, 18 are also driven by the shaft Hi]. When for the purpose of stopping the machine the coupling 6? is shifted to the left, the pulley H32 runs loose and the shaft H6 is stopped.

For the purpose of severing the fleece between the non-rotating calender or delivery rollers and one of the winding rollers Hi, it is necessary to rotate the winding rollers. They are driven by means of the shaft 99, which at this moment is rotated by the belt transmission m2, H38 and by means of the helical gear lfil and the gear transmission Nil and lilil. The before-mentioned gear wheels Hi5 and H36 are coupled to the shaft of the gear Hill by means of the coupling 54. In order to prevent that the shaft H9 and with it the delivery or stretching frame be rotated by the winding rollers it themselves, a ratchet or free-wheel coupling Hi9 has been inserted.

As stated herebefore, the pinion N36 is rotated by throwing in the coupling 5%, whereby the rack bars 3d are lifted, so that the lap roller is freed according to the arrangement described in the aforementioned specification.

I claim:

In an automatic lap-forming apparatus of the type described in which a counter controls the size of the lap roller, the arrangement of a shaft rotated by said counter when the lap roller is of the predetermined size, a cam-disc at the end of the shaft, a pressure roller acting on said camdisc for suddenly imparting a partial rotation to said shaft when started by the counter, a catch rotated by the shaft and a transmission device, a lever actuated by said catch, said lever being connected to a clutching device, the disconnection of Which from the main drive of the machine stops the feeding motion thereof, a radial arm at the other end of the shaft, a swinging lever actuated by said arm, a clutch device moved by said swinging lever, and a transmission gear controlled by said clutch device for transmitting the movement required for expelling the finished lap roller, substantially as described.

J ULES WEINBRENNER. 

